I glad you didn't have to do the wheel bearings because you would have to drill out the rivets on it and then you would have to loosen everything on it and you will have to cut the shock bolts
Here you go www.topflightautomotive.com/products/van-steel-1976-1982-chevrolet-corvette-rebuilt-trailing-arm-assembly-w-new-rotor-and-rubber-bushing-rh/?gclid=Cj0KCQjwqP2pBhDMARIsAJQ0CzqLPDUjbgnoY7B50XWT02fNh6Cm6bXMmBreLGEEcZp5esIc_Za2U8YaAuhBEALw_wcB